Home / 216.60-298.84-133.62

Finding the Fourth Proportional to 216.60, 298.84 and 133.62

Calculator

Solution

The fourth proportional to 216.60, 298.84 and 133.62 is: 184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.60 : 298.84 = 133.62 : x
  2. Step 2: Convert to fraction form
    216.60/298.84 = 133.62/x
  3. Step 3: Cross multiply
    216.60x = 298.84 × 133.62
  4. Step 4: Simplify right side
    216.60x = 39,931.00
  5. Step 5: Solve for x
    x = 39,931.00/216.60
  6. Step 6: Final answer
    x = 184.35

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.